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Patellar overload syndrome, runner's knee, [1] retropatellar pain syndrome [1] Diagram of the bones of the lower extremity. Rough distribution of areas affected by PFPS highlighted in red: patella and distal femur. Specialty: Orthopedics, sports medicine: Symptoms: Pain in the front of the knee [1] Usual onset: Gradual [2] Causes: Unclear [1 ...
A patella baja is a low-riding patella. A long-standing patella baja may result in extensor dysfunction. [5] Insall-Salvati ratio (A divided by B). [6] The Insall-Salvati ratio helps to indicate patella baja on lateral X-rays, and is calculated as the patellar tendon length divided by the patellar bone length. An Insall-Salvati ratio of < 0.8 ...
Ligamentous laxity or ligament laxity can appear in a variety of ways and levels of severity.. In most people, ligaments (which are the tissues that connect bones to each other) are naturally tight in such a way that the joints are restricted to 'normal' ranges of motion.
The consequent pain may lead to the cascade of quadriceps weakness, patellar tendon shortening and scarring in the tissues around the knee cap—with an end stage of permanent patella infera—where the knee cap is pulled down into an abnormal position where it becomes vulnerable to joint surface damage.
Chondromalacia patellae (also known as CMP) is an inflammation of the underside of the patella and softening of the cartilage.. The cartilage under the kneecap is a natural shock absorber, and overuse, injury, and many other factors can cause increased deterioration and breakdown of the cartilage.
This finding was important as they were the first to note that it was a benign disorder that is separate from the more severe nail-patella syndrome. [35] Other common names for ischiopatellar syndrome are small patella syndrome (SPS), since the patellae are often small or absent in patients who have this syndrome, and coxo-podo-patellaire syndrome.
Genu recurvatum is a deformity in the knee joint, so that the knee bends backwards.In this deformity, excessive extension occurs in the tibiofemoral joint.Genu recurvatum is also called knee hyperextension and back knee.